| Summary: | 碩士 === 真理大學 === 管理科學研究所 === 91 === Motor industry is a synthesized industry combined with high technology and high added values, is considered one of most important industries in all developed countries. Due to its critical role in industrial development of a country, motor industry is also called ‘locomotive industry’ and is bolstered by auto-parts. Along with the saturation of domestic car-sale market and the development of Mass Rapid Transportation (MRT) system in metropolis, the growth of domestic demand of auto-parts is greatly affected. In addition, the lower of tariff rate and the cancellation of self-manufacture rate after Taiwan joined to the World Trade Organization (WTO) have also affected the import of auto-parts that its amount is expected to be greatly increased, which would be a threat to the survival of domestic auto-parts manufacturers.
This paper adapts Data Envelope Analysis (DEA) and the Malmquist Productivity Index (MPI) to evaluate the operational efficiencies and productivity variations of 50 auto-parts manufacturers in Taiwan, according to the data from1999 to 2001. The results of this research aim to provide collaborative companies with an understanding of the effects of resource application and to guide them to allocate resources rationally. In terms of variable establishment, we set up four outputs (i.e., total assets, number of employees, cost of materials, and expenditure of energy) and one input (i.e., net revenue) as analytical indicators. The research results revealed that there is no significant evidence that high total assets companies had a better operational efficiency. In addition, results obtained from the MPI demonstrate that the depression in global productivity of collaborative companies is resulted from the depression of efficiency itself.
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